原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
' y0 {* V9 t" n+ Mwww1.tvboxnow.comfirst, compare 6 and another 6. they must have difference. * q. d/ c! N0 p( ~( D' J e( U8 {0 B
second, divide those 6 heavier one into two, each has 3. u will find difference again.
" X o) D- @7 l/ x( S* }& jthird time, if u put 2 and they are equal, u will kno ... tvb now,tvbnow,bttvb0 C5 g# U* k z) R+ A3 s4 r& N
5 g6 i" Q, P! \+ }' |but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |